Number 39: Katy Perry

Why you know her: She kissed a girl, liked it and she sang about it Why we love her: The cheeky singer and songwriter knows how to make a splash, both with her music and on the red carpet.

Why you know her: She kissed a girl, liked it and she sang about it Why we love her: The cheeky singer and songwriter knows how to make a splash, both with her music and on the red carpet. (Jay L. Clendenin / Los Angeles Times)

Why you know her: She kissed a girl, liked it and she sang about it Why we love her: The cheeky singer and songwriter knows how to make a splash, both with her music and on the red carpet.Jay L. Clendenin / Los Angeles Times